The Brompton Extended Seatpost in black is designed for the slightly taller rider (as a guide, with an inside leg 33 to 35 inches) - this seatpost gives up to 60mm extra saddle height than the standard Brompton seatpost.The saddle will sit 60mm higher when the bike is in its folded position due to the extra length.Weight: 449 gLength (approx) - 590mmDiameter (approx.) - 31.8mm (with flared end)Seatpostdoes not require any form of lubricationSteel with Chrome FinishCompatibilty  Compatible on All Black Edition Bikes